490809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 16

約数和(自身を含む): 725760

約数和(自身を除く): 234951

約数列:

[1, 3, 11, 33, 107, 139, 321, 417, 1177, 1529, 3531, 4587, 14873, 44619, 163603, 490809]

約数ペア:

[(1, 490809), (3, 163603), (11, 44619), (33, 14873), (107, 4587), (139, 3531), (321, 1529), (417, 1177)]